“Green prefix”

Here is the verified answer to the Wall Street Journal Crossword clue “Green prefix”, last seen on June 3, 2026.

Answer hidden — reveal below

E?O

A 3-letter across entry from the Wednesday puzzle

The Answer

ECO

The answer to “Green prefix” is ECO

Letters3

DirectionAcross

PublishedJun 3, 2026

Letter analysis

The clue “Green prefix” appeared in the Wall Street Journal Crossword on Wednesday, June 3, 2026 as a across entry. The verified answer is ECO — a 3-letter word that begins with E and ends with O.

This answer contains 2 vowels and 1 consonant. Click through any related clue below to keep solving, or open the full answer key for the day from the link above.

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Past appearances of “Green prefix”

Sunday, July 26, 2026 — answer was ECO3 Letters Monday, June 8, 2026 — answer was ECO3 Letters

Frequently Asked Questions

What is the answer to “Green prefix”?

The answer to the Wall Street Journal Crossword clue “Green prefix” is ECO — a 3-letter across entry from the June 3, 2026 puzzle.

How many letters is the answer?

ECO has 3 letters — 2 vowels and 1 consonant.

Are these answers official?

WSJCrosswordAnswers.org is an independent reference site, not affiliated with the Wall Street Journal. We solve and verify each puzzle by hand before publishing.